Step1: Login camera on web
Step2: Enter Configuration page
Step3: Click Image->Display Settings->Day/Night Switch
Step4: Select Scheduled- Switch Mode as shown below, set the Start Time and End Time, then camera will stay in night mode during this time.
Step5: Click Exposure Setting, set 1/500 for exposure time and 20 for Gain.
Step6: Check if the license plate can be seen clearly in night.